Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UEDA Mitsuru and KAWAHARASAKI Naomi and TAKEDA Masahiro,Synthesis of Polyamides by Direct Polycondensation Using Thionyl Chloride as Condensing,KOBUNSHI RONBUNSHU,03862186,"The Society of Polymer Science, Japan",1984,41,5,261-265,https://cir.nii.ac.jp/crid/1390282681498847360,https://doi.org/10.1295/koron.41.261